2009 Acura RL Gas Tank Size & Fuel Capacity
Fuel tank capacity
19.4gal · 73 L
The 2009 Acura RL has a fuel tank capacity of 19.4 gallons (73 liters) on every trim.
A full tank is good for roughly 427 highway miles or 310 miles around town, going by the EPA ratings.
19.4 gal · Bigger than 50% of 2009 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2009 Acura RL fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr Sedan AWD 3.7L 6cyl 5A · AWD MPG 16 / 22Range 310 / 427 mi | 3.7L 6cyl 5A | AWD | 19.4 gal73 L | 16 / 22 | 310 / 427 mi | |
| 4dr Sedan AWD - in HI 3.7L 6cyl 5A · AWD MPG 16 / 22Range 310 / 427 mi | 3.7L 6cyl 5A | AWD | 19.4 gal73 L | 16 / 22 | 310 / 427 mi | |
| CMBS 4dr Sedan AWD 3.7L 6cyl 5A · AWD MPG 16 / 22Range 310 / 427 mi | 3.7L 6cyl 5A | AWD | 19.4 gal73 L | 16 / 22 | 310 / 427 mi | |
| Technology Package 4dr Sedan AWD 3.7L 6cyl 5A · AWD MPG 16 / 22Range 310 / 427 mi | 3.7L 6cyl 5A | AWD | 19.4 gal73 L | 16 / 22 | 310 / 427 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2009 Acura RL goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 18 MPG, a full 19.4-gallon tank covers about 349 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 19.4 | 427 | 310 |
| 3/4 | 14.6 | 320 | 233 |
| 1/2 | 9.7 | 213 | 155 |
| 1/4 | 4.9 | 107 | 78 |
| 1/8 | 2.4 | 53 | 39 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 43 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
- EPA combined
- 18 MPG
- Tailpipe CO2
- 494 g/mi
- Source
- EPA ratings
What it costs to fill up a 2009 Acura RL
$102.43 to fill the 19.4-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 19.4 gal | Premium | $5.28 | $102.43 | $76.82 |
By region, 19.4-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $95.64 |
| Midwest | $5.37 | $104.18 |
| Gulf CoastLowest | $4.57 | $88.66 |
| Rocky Mountain | $5.12 | $99.33 |
| West Coast | $6.08 | $117.95 |
| CaliforniaHighest | $6.36 | $123.38 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 19.4-gallon tank$102.43
- A year of driving (15,000 mi)$4,400
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
RL tank size in other years
The 2009 RL uses the same 19.4 gal tank as every RL since 2005.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2012 RL | 19.3 gal | 463 mi |
| 2011 RL | 19.3 gal | 463 mi |
| 2010 RL | 19.4 gal | 427 mi |
| 2009 RL | 19.4 gal | 427 mi |
| 2008 RL | 19.4 gal | 466 mi |
| 2007 RL | 19.4 gal | 466 mi |
| 2006 RL | 19.4 gal | 466 mi |
| 2005 RL | 19.4 gal | 466 mi |
| 2004 RL | 18.0 gal | 396 mi |
2009 Acura RL vs similar 2009 sedans
At 19.4 gallons, the RL's largest tank ranks third of the seven 2009 sedans compared here. The Mercedes-Benz E-Class carries the most (21.1 gal) and the Cadillac CTS the least (18.0 gal).
| 2009 model | Tank | Longest highway range |
|---|---|---|
| Mercedes-Benz E-Class | 21.1 gal | 675 mi |
| Audi A6 | 21.1 gal | 570 mi |
| Acura RL | 19.4 gal | 427 mi |
| Volvo S80 | 18.5 gal | 463 mi |
| BMW M5 | 18.5 gal | 315 mi |
| Jaguar XF | 18.4 gal | 460 mi |
| Cadillac CTS | 18.0 gal | 468 mi |
Other 2009 sedans of a similar size, one model per brand.
2009 Acura RL fuel system recalls
None of the 6 recalls NHTSA lists for the 2009 Acura RL involve the fuel system.
2009 Acura RL fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2009 Acura RL, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2009 Acura RL?
The 2009 Acura RL holds 19.4 gallons (73 liters) on every trim we list.
How many gallons and liters does the 2009 Acura RL gas tank hold?
The 2009 Acura RL tank holds 73 liters, or 19.4 gallons in US gallons.
How far can a 2009 Acura RL go on a full tank?
About 427 miles on the highway and 310 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2009 Acura RL go on a quarter tank?
About 107 highway miles or 78 in town from the 19.4-gallon tank, which has roughly 4.9 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2009 Acura RL take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2009 Acura RL?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 19.4-gallon tank from empty costs $102.43. It ranges from $88.66 in the Gulf Coast to $123.38 in California.
How much does a full tank of gas weigh in a 2009 Acura RL?
About 120 pounds for the 19.4-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2009 Acura RL have a bigger gas tank than the Jaguar XF?
Yes. The 2009 Acura RL holds up to 19.4 gallons; the 2009 Jaguar XF holds up to 18.4.
Has the 2009 Acura RL had a fuel pump or fuel system recall?
No. None of the 6 recalls NHTSA lists for the 2009 Acura RL involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
- Recalls: NHTSA recall database (Acura fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.